Adding Fractions
2/5 + 2/5 =
4/10
2/3 x 1/2 =
1/3 or 2/6
5 2/4
22/4
The bottom part of a fraction is called this...
Denominator
Write it as a decimal:
1/2
0.5
4/7 + 2/7 =
6/7
3/5 x 1/4 =
3/20
1 1/3
1/2
The top portion of a fraction is called...
Numerator
Write it as a decimal:
3/4
0.75
1/4 + 1/4 =
2/4 = 1/2
2/3 x 2/3 =
2/3 or 4/6
3/9
1/3
A number that contains both a whole number and a fraction is called...
Example: 5 1/2 or 3 1/3
Mixed number
Write it as a fraction:
0.7
7/10
4/11 + 7/11 =
11/11 = 1
1/2 x 1/4 =
1/8
5/10
1/5
What do you call a fraction that has a numerator that is larger than the denominator?
Example: 5/2 or 9/3
Improper fraction
Write it as a fraction:
0.21
21/100
1/2 + 2/4 =
4/4 = 1
1/10 x 1/10 =
1/100
10/30
1/3
What does it mean if fractions are called "like fractions?"
they have the same denominator (bottom number)
1 1/10
1.1